Adsorption capacity of adsorbents used for the removal of multiple pollutants.
| Pollutants | Absorbents | pH | T (°C) | q m (mg g−1) | References |
|---|---|---|---|---|---|
| Cr(vi) | Acid-treated algae activated carbon | 2.0 | 25 | 25.60 | 53 |
| Cr(vi) | Activated carbon prepared from Terminalia arjuna nuts | 1.0 | 25 | 28.40 | 54 |
| Cd(ii) | Sardinian clinoptilolite | — | — | 0.34 | 55 |
| Pb(ii) | Natural phillipsite | — | — | 0.23 | 56 |
| Ni(ii) | Brazilian scolecite | — | — | 2.08 | 57 |
| Al | Cattle manure biochar | 4.3 | 25 | 0.30 | 58 |
| As(v) | Pine wood biochar | 7.0 | 22 | 0.93 | 59 |
| Hg(ii) | Wheat straw biochar | 7.0 | 25 | 0.85 | 60 |
| As(iii) | Anatase nanoadsorbent | — | — | 16.98 | 61 |
| F | Fe–Ti bimetallic magnetic oxide | — | — | 57.22 | 62 |
| Remazol red 3BS | Hexagonal mesoporous silica | — | — | 15.00 | 63 |
| Remazol red 3BS | Chitosan-MIPs | — | — | 35.00 | 64 |
| Malachite green | Clinoptilolite | — | — | 19.70 | 65 |
| Reactive red 239 | CTAB-clinoptilolite | — | — | 15.90 | 66 |
| Reactive yellow 176 | HTAB-clinoptilolite | — | — | 13.20 | 67 |
| Methylene blue dye | Eucalyptus biochar | — | 40 | 2.06 | 68 |
| Trichloroethylene | Peanut shells biochar | — | 25 | 12.12 | 69 |
| Paraquat | Swine manure biochar | — | 25 | 14.79 | 70 |
| K-NYT (humic acid) | Natural zeolites | — | 60 | 6.58 | 71 |